Why my Tee Nuts never spin

[Harley]

Yes, I know there are other methods out there like Hurricane nuts and wood screws, but done properly, you can't beat a tee nut that is set never to spin in my opinion.

Step 1

Choose a quality tee nut, a good quality one will be substantially larger than cheap chines crap for the same bolt dia

Fah King Chee Pwun on the left

Step 2

Press the tee nut into the ply for harder plies ( not I did not say hammer ) or screw in the tee nuts for softer plies using a bolt and a cawl whilst applying epoxy under the tee nut

Step 3

Screw in a 4 or 6 gauge security screw into one of the fold bays of the tee nut - epoxy that as well.


Tee nut security screwed into Australian Hoop Pine ( similar hardness to BB )


Step 4

When dried, run a thread tap through the tee nut to clear the thread of any gunk

I often attach the thread tap to the battery drill and run slow. Don't let the bit bottom



What a thread tap looks like for those that think it's a plumbing thingy

[67baja]

Thanks Harley. I haven't had any spin on me (yet), your method is better than the way I have been doing it.

[Scott Brochu]

Does that mean it takes a nut to know one?






That is the way I do them now, ever since I had one spin on me. (The bottom one under the driver in a T39) Took some 3 hrs to get the bolt and nut out.

[Rune Bivrin]

It's like having belt and braces on a latex suit. Seems slightly redundant...

I've yet to have a single T-nut spin on me, but I always use fir ply for the baffle and pull the tee nuts in with a bolt.

Now, can someone tell me what the heck a cawl is? Wikipedia tells me it's a Welsh soup, and somehow I fail to see the connection with wood working....

[Bruce Weldy]

Now, can someone tell me what the heck a cawl is?

It's a caul. A brace or support used to hold or align wood.

[Bruce Weldy]

For example....these are probably best described as braces, some have called them cauls....

[88h88]

Fah King Chee Pwun on the left...

Awesome advice, cheers!

[Harley]

Now, can someone tell me what the heck a cawl is?

It's a caul. A brace or support used to hold or align wood.

In my reference above, it's a flat piece of 75mm x 6 mm thick flat bar about 100mm long with a hole drilled in the middle. The hole matches the bolt dia and the cawl helps spread the load so that there is no indentation on the gasket side of the baffle. It also aligns the bolt at the same time.

[Bruce Weldy]

Now, can someone tell me what the heck a cawl is?

It's a caul. A brace or support used to hold or align wood.

In my reference above, it's a flat piece of 75mm x 6 mm thick flat bar about 100mm long with a hole drilled in the middle. The hole matches the bolt dia and the cawl helps spread the load so that there is no indentation on the gasket side of the baffle. It also aligns the bolt at the same time.

The typical caul in woodworking is a board that has a slight bend to hold down the middle of a long reach by clamping the board across a long stretch - the bend is placed down so that it creates pressure in the middle.

But, I've heard the term applied to any piece of wood that's used to hold something in place....but that's not as accurate.

[Harley]

The typical caul in woodworking is a board that has a slight bend to hold down the middle of a long reach by clamping the board across a long stretch - the bend is placed down so that it creates pressure in the middle.

But, I've heard the term applied to any piece of wood that's used to hold something in place....but that's not as accurate.

Interesting. I decided to google it, seems it is a term that refers to a lot of weird shit!

1) Definition of CAWL dial Brit : a wooden basket with handholes instead of handles used esp. in Cornwall to carry fish

2) Cawl is the Welsh word for soup or broth. The term is used in English to refer to traditional Welsh stews, usually containing meat and vegetables. Its ingredients tend to vary, but lamb and leeks are particularly common, owing to their association with Wales.

3) definition of cawl noun a traditional Welsh soup comprising lamb and leeks

4) CAWL Customs Agents Wellington Ltd (New Zealand)

5) Culasi Arrastre Workers Labor

[Bruce Weldy]

Yeah, it's hard to find. You have to google "woodworking cauls" to find something pertinent.

Try this:

http://www.newwoodworker.com/cauls.html

[Tom Smit]

Oh great, Bruce! Now I'm going to spend even more time at the computer!
Great site! Thanks.

[Harley]

Yeah, it's hard to find. You have to google "woodworking cauls" to find something pertinent.

Yeah...but my main game is engineering...metal! Cawl - pressure equalising backing plate - same thing

...and you have to remember, we're upside down here, just like our Ozzie friends.

Anyhow. after all this bullshit, my Tee nuts never spin

[Grant Bunter]

Great Harley!

It's taken months to make it from the Aussie thread to your own

I don't bother with the screw. I just fix mine with epoxy and an icy stare, kinda like "I dare you".
Then again, I only have to fix it for myself if it does spin.

Cawl.
Counter against wayward lumber...

[Bruce Weldy]

Cawl.
Counter against wayward lumber...

I still think you boys from down under would fit in just fine in Texas.....